Quando natus est*

Source: 
Wien, Österreichische Nationalbibliothek - Musiksammlung, 1890
Folio: 
051r
Sequence: 
27
Feast: 
In tempore Nat.
Office/Mass: 
D
Genre: 
A
Cantus ID: 
004441
Mode: 
*
Manuscript Reading Full Text (standardized spelling): 
Quando natus est*
Manuscript Reading Full Text (MS spelling): 
Quando natus est
Indexing notes: 
rubric "ad h[oras]" ??